Home / 66,319.08-91,517.34-36,103.62

Finding the Fourth Proportional to 66,319.08, 91,517.34 and 36,103.62

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Solution

The fourth proportional to 66,319.08, 91,517.34 and 36,103.62 is: 49,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.08 : 91,517.34 = 36,103.62 : x
  2. Step 2: Convert to fraction form
    66,319.08/91,517.34 = 36,103.62/x
  3. Step 3: Cross multiply
    66,319.08x = 91,517.34 × 36,103.62
  4. Step 4: Simplify right side
    66,319.08x = 3,304,107,266.77
  5. Step 5: Solve for x
    x = 3,304,107,266.77/66,319.08
  6. Step 6: Final answer
    x = 49,821.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.